Zhongguan Valves is a leading manufacturer and supplier of high-quality DIN Standard Gate Valves designed and manufactured in strict compliance with German DIN standards (DIN 3352, DIN 3202, EN 1983). Our wedge gate valves are widely used in municipal water supply, petrochemical plants, power generation, shipbuilding, metallurgy, and water treatment systems worldwide.

Available in a full range of materials including cast iron, cast steel, stainless steel, and alloy steel, our DIN gate valves feature flexible body-bonnet connections (flanged seal, pressure self-seal, or threaded seal) and both rising stem (OS&Y) and non-rising stem configurations. Whether you need rigid wedge or flexible wedge designs, Zhongguan Valves provides customized solutions to meet your specific project requirements.

With over 100,000 units monthly production capacity, ISO-certified quality control, and fast lead times (5–12 days for standard models), Zhongguan Valves is your trusted partner for reliable, long-lasting, and cost-effective DIN gate valves. Send inquiry now to get the best factory-direct price.

Product Quick Specs

Product Overview: Precision-Engineered DIN Gate Valves for Global Projects

Zhongguan Valves delivers high-performance DIN Standard Gate Valves designed for demanding industrial applications across Europe, the Middle East, Asia, and beyond.

• Full DIN Compliance: Manufactured according to DIN 3352, DIN 3202, and EN12266-1 standards.
• Versatile Material Options: Cast iron, ductile iron, cast steel (WCB/WCC), stainless steel (CF8/CF8M/CF3M), and alloy steel.
• Flexible Configurations: Rising stem (OS&Y) or non-rising stem; rigid or flexible wedge; flanged, threaded, or weld ends.
• Wide Application Range: Ideal for water supply, fire protection, industrial circulating water, steam, petrochemical, and power plants.

Why global buyers choose Zhongguan: German standard quality at competitive factory-direct prices, backed by fast delivery and responsive technical support.

Key Features & Technical Advantages

Our DIN gate valves are engineered with advanced features that ensure reliable performance, low maintenance, and extended service life.

• Full-Bore Flow Channel: Minimizes pressure drop and flow resistance, improving system efficiency.
• Precision-Machined Wedge: Ensures tight sealing and smooth operation under varying pressure conditions.
• Advanced Sealing System: Wedge sealing surface treated with alloy welding technology (Stellite, 410, F304, F316, or bronze available).
• Corrosion-Resistant Stem: Stainless steel stem (2Cr13, SS304, SS316) prevents bending, rust, and failure.
• Leakage Rate ≤0.01%: Factory-proven performance far exceeding standard requirements.
• Temperature Range: Stable operation from -40°C to 450°C.

Certified performance: Each valve is hydrostatically tested and nitrogen leak tested before leaving our factory.

Quality Control: 20+ Inspection Procedures with 100% Pass Rate

Zhongguan Valves operates a rigorous quality management system. Every batch of DIN gate valves undergoes comprehensive testing to ensure full compliance with international standards.

• Hydrostatic Shell Test: Validates body and bonnet integrity under 1.5x rated pressure.
• Nitrogen Leak Test: Confirms sealing performance at 1.1x rated pressure.
• High-Temperature Simulation Test: Ensures reliability in extreme thermal conditions.
• Material PMI Verification: 100% positive material identification to prevent alloy mix-ups.
• Dimensional Inspection: Verifies flange drilling, face-to-face dimensions, and bore concentricity.
• Coating Thickness Test: Ensures corrosion protection meets DIN standards.

Track record: Third-party sampling inspections over the past five years have maintained a 100% pass rate, demonstrating our manufacturing consistency and quality commitment.

Technical Specifications Table 

Below is the complete technical data sheet for our DIN Standard Gate Valve series. Engineers and procurement teams can use this table for project specification and cross-referencing.

Production Capacity & Fast Delivery

Zhongguan Valves operates two major production bases in Tianjin and Wenzhou, equipped with advanced CNC machining centers, automated assembly lines, and precision testing equipment.

• Monthly Production Capacity: Over 100,000 units.
• Standard Inventory: DN80 to DN300 gate valves available in stock for immediate shipment.
• Lead Times:
  • Standard models (cast iron/cast steel): 5–12 days
  • Stainless steel or custom orders: 15–28 days
  • Large diameters (DN350+): 20–35 days
• Shipping: FOB Tianjin, FOB Shanghai, or CIF to major ports worldwide (Rotterdam, Dubai, Houston, Singapore, etc.).

Flexible payment terms: T/T, L/C, or Western Union accepted. Long-term supply agreements available for OEM/ODM partners.

Customization Services: Tailored to Your Project Needs

Not all pipelines are the same. That's why Zhongguan Valves offers extensive customization options for our DIN gate valves.

• Special Materials: Duplex Steel (2205/2507), Hastelloy C276, Inconel, Titanium.
• Non-Standard Face-to-Face Dimensions: Available for retrofitting existing piping systems.
• Low-Temperature Versions: Designed for cryogenic applications down to -196°C (with LCB/LCC materials).
• High-Temperature Versions: With graphite seals and alloy steel bodies for up to 650°C.
• Fire-Safe Design: API 607 / ISO 10497 certified fire-safe versions available.
• Special Coatings: Epoxy coating, PTFE lining, or FBE coating for aggressive media.

OEM/ODM welcome: We can produce valves with your brand name, custom tags, and special packaging.

Applications: Where Our DIN Gate Valves Excel

Zhongguan Valves' DIN Standard Gate Valves have been successfully deployed in thousands of projects across five continents.

• Municipal Water Supply & Distribution: DN50–DN600, PN10/PN16, cast iron body with epoxy coating.
• Building Fire Protection Systems: OS&Y rising stem design for visual position indication.
• Industrial Circulating Water: Large-diameter flexible wedge valves for thermal power plants.
• Petrochemical & Refineries: Stainless steel or alloy steel bodies with Stellite-faced seats.
• Power Generation: High-temperature steam isolation (up to 450°C).
• Shipbuilding & Marine: Corrosion-resistant bronze or stainless steel trim.
• Wastewater Treatment: Non-rising stem design for underground installation.

Case studies available: Contact us for project references in your industry.

Why Projects Specify DIN Standard Gate Valves

Across Europe, the Middle East, Southeast Asia, and Africa, engineers and procurement teams consistently specify DIN Standard Gate Valves for critical infrastructure projects. Here's why:

• Uniform Flange Dimensions (DIN 2501): Ensures interchangeability and easy installation without modification.
• Strict Sealing Requirements: DIN standards demand tighter leakage rates compared to other regional standards.
• Longer Product Lifespan: Higher material thickness and rigid quality control translate to decades of reliable service.
• Lower Maintenance Costs: Precision machining reduces wear, extending maintenance intervals.
• Global Acceptance: DIN-compliant valves are recognized and accepted by engineers worldwide.

Zhongguan advantage: We provide genuine DIN-compliant gate valves at competitive prices, backed by full documentation (material certificates, test reports, and origin declarations).

FAQ

1. For which working conditions are DIN standard gate valves applicable? Why do engineering projects all require DIN?

The DIN standard gate valves are mainly used for:

Municipal water supply and pipeline systems

Building fire protection systems

Industrial circulating water

Hot and cold water systems

Some steam and light chemical media

The reason why many European and Middle Eastern projects specify the DIN standard is as follows:

The flange dimensions are uniform and easy to install.

The sealing requirements are strict.

The product has a longer lifespan.

The maintenance cost is low.

The DIN gate valves we provide to customers have undergone strict pressure tests and are reliable for long-term operation. This is why many projects are willing to purchase them repeatedly.

2. What is the maximum range of your DN? And how long is the delivery time?

We routinely produce DIN standard gate valves ranging from DN50 to DN600. Among them, the sizes of DN80 to DN300 have the largest inventory.

For larger diameters, we can customize according to orders.

Regarding the delivery time:

For regular models, it takes 5 to 12 days.

For special materials or sizes, it takes 15 to 28 days.

We have production bases in both Tianjin and Wenzhou, which enables us to flexibly adjust production capacity and ensure the delivery time of projects.

3. Will the gate valve leak? How do you ensure a reliable seal?

The most crucial aspect of a gate valve is its sealing performance. Therefore, we have very strict requirements for the sealing part.

Each valve undergoes 100% shell and seal tests before leaving the factory.

The sealing material can be replaced according to the medium (EPDM, NBR or heat-resistant material)

The valve plate guide rails have been precisely machined, making the opening and closing process smoother and preventing any jamming.

The valve stem is made of stainless steel, which is corrosion-resistant and does not tend to bend.

There are numerous cases where customers have reported zero leakage after using the product for a long period of 2 to 5 years.

4. How do you ensure the lifespan of the gate valve?

The lifespan is not only determined by the material, but also by the craftsmanship. We mainly ensure the lifespan through the following aspects:

The valve body has sufficient wall thickness and excellent pressure resistance.

The valve stem is made of corrosion-resistant stainless steel.

The valve plate is evenly coated with rubber, ensuring the longevity of the seal.

The inner cavity coating thickness meets the standard and has higher corrosion resistance.

Precision processing equipment maintains structural stability.

Therefore, our DIN gate valves have consistently performed well in municipal pipelines and building systems over an extended period of time.

Contact Zhongguan Valves – Get a Quote Today

Ready to order DIN Standard Gate Valves from a trusted manufacturer? Contact Zhongguan Valves for a competitive quote, technical datasheet, or free sample evaluation.

Email: sales@zhongguanvalves.com (or use the inquiry form below)

Response Time: Within 24 hours

Minimum Order Quantity (MOQ): 1 piece for sample order; 10 pieces for bulk orders

Factory Location: Tianjin & Wenzhou, China – plant visits welcome by appointment

Send inquiry now – including your DN size, pressure rating, material preference, and quantity – and we will reply with our best factory-direct price within one business day.